/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
  let timeout, args, context, timestamp, result

  const later = function() {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp

    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last)
    } else {
      timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
  }

  return function(...args) {
    context = this
    timestamp = +new Date()
    const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait)
    if (callNow) {
      result = func.apply(context, args)
      context = args = null
    }

    return result
  }
}

/**
 * 手机号码
 * @param {*} s
 */
export function isMobile(s) {
  return /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/.test(s)
}

// 获取当前n日，日期
export function getCurrentDays(number) {
  const current = new Date()
  const days = [current]
  for (let i = 1; i < number; i++) {
    const currentDate = new Date()
    const date = new Date(currentDate.setDate(currentDate.getDate() + i))
    days.push(date)
  }
  return days
}

// 联系客服
export const onContact = () => {
  window.location.href = 'https://hzsxmbzhbyxgs3.qiyukf.com/client?k=7d1d2db2bef979175a273a8a1b4b1a9b&wp=1&robotShuntSwitch=0&shuntId=1105510&language=zh-cn'
}

// 联系客服
export const contactPhone = () => {
  window.location.href = 'tel:02180394682';
}